Home / 143,010.43-197,363.75-82,583.62

Finding the Fourth Proportional to 143,010.43, 197,363.75 and 82,583.62

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Solution

The fourth proportional to 143,010.43, 197,363.75 and 82,583.62 is: 113,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,010.43 : 197,363.75 = 82,583.62 : x
  2. Step 2: Convert to fraction form
    143,010.43/197,363.75 = 82,583.62/x
  3. Step 3: Cross multiply
    143,010.43x = 197,363.75 × 82,583.62
  4. Step 4: Simplify right side
    143,010.43x = 16,299,012,025.45
  5. Step 5: Solve for x
    x = 16,299,012,025.45/143,010.43
  6. Step 6: Final answer
    x = 113,970.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.